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> South Dakota > Zip Code 57451
| Zip Code : | 57451 |
| City : | Ipswich city |
| County : | Edmunds County, Brown County |
| State : | South Dakota (SD) |
| Land Area : | 438.92 sq mi |
| Water Area : | 3.07 sq mi |
| Latitude : | 45.4374010 |
| Longitude : | -98.9566019 |
| Population (2010): | 2,293 |
| Population Estimate (2012) : | 2,136 |
| Population Density : | 5.22/sq mi |
| Housing Units (2012) : | 1,044 |
| Median Household Income (2012) : | $52,885 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $68,438 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $151,100 (South Dakota : $129,800, USA : $181,400) |